Seiko Cal. 5644 - 392

Seiko 5644-392

The Seiko 5644-392 represents an important milestone in Seiko's 1997 lineup. Powered by the 5644 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-9059bfbf49db]

Also known as: Rally, Emperor

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1997

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